A device that can convert solar energy into a chemical fuel with good efficiency while also offering high stability and the capability to be constructed with widely available materials using inexpensive processing techniques is urgently needed.  Recently, devices that accomplish overall water splitting with inexpensive oxide-based devices have been demonstrated.  Particularly assemblies of hematite (Fe2O3) as a photoanode and a dye sensitized solar cell (DSC) were shown to be capable to perm water splitting.

Unassisted solar water-splitting using nanostructured oxide tandem cells

244th National Meeting (2012)

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